We are live on ! Find out more
Simplex Trading

Simplex Trading Portfolio holdings

AUM $149B
1-Year Est. Return 62.07%
 

Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.

This Fund
S&P 500
This Quarter Est. Return
-6.21%
1 Year Est. Return
+62.07%
3 Year Est. Return
+116.86%
5 Year Est. Return
+116.02%
10 Year Est. Return
+774.44%
AUM
$56.7B
AUM Growth
+$11B
Cap. Flow
+$631M
Cap. Flow %
1.11%
Top 10 Hldgs %
50.41%
Holding
8,783
New
1,512
Increased
3,249
Reduced
2,705
Closed
1,159

Top Buys

Rank Stock Value
1
GLD icon
SPDR Gold Trust
GLD
+$31.6M
2
SLV icon
iShares Silver Trust
SLV
+$28.1M
3
DIA icon
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
+$25.1M
4
JPM icon
JPMorgan Chase
JPM
+$24.5M
5
JNUG icon
Direxion Daily Junior Gold Miners Index Bull 2X ETF
JNUG
+$24M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$51.6M
2
AMZN icon
Amazon
AMZN
+$47.4M
3
TLT icon
iShares 20+ Year Treasury Bond ETF
TLT
+$44.7M
4
NFLX icon
Netflix
NFLX
+$38.3M
5
NVDA icon
NVIDIA
NVDA
+$31.1M

Sector Composition

Rank Sector Weight
1 Technology 0.49%
2 Healthcare 0.33%
3 Consumer Discretionary 0.32%
4 Financials 0.16%
5 Communication Services 0.16%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CRVS icon
7676
Corvus Pharmaceuticals
CRVS
$1.15B
$0 ﹤0.01%
+146
New +$593
CSX icon
7677
CSX Corp
CSX
$97.8B
– –
-34,290
Closed -$801K
CTRE icon
7678
CareTrust REIT
CTRE
$10B
– –
-642
Closed -$12.7K
CTRN icon
7679
Citi Trends
CTRN
$514M
– –
-26
Closed -$503
CTS icon
7680
PUT
CTS Corp
CTS
$1.74B
– –
-6
Closed -$18K
CTSO icon
7681
Cytosorbents Corp
CTSO
$22.7M
– –
-1,094
Closed -$5.52K
CTVA icon
7682
Corteva
CTVA
$59.4B
– –
-33,742
Closed -$928K
CUBE icon
7683
CubeSmart
CUBE
$9.29B
– –
-3,217
Closed -$96.6K
CULP icon
7684
CALL
Culp Inc
CULP
$44.4M
– –
-3
Closed -$4K
CURE icon
7685
Direxion Daily Healthcare Bull 3X ETF
CURE
$174M
– –
-1,534
Closed -$113K
CVGW
7686
DELISTED
Calavo Growers
CVGW
– –
-1,820
Closed -$129K
CVEO icon
7687
PUT
Civeo
CVEO
$383M
– –
-3
Closed -$4K
CWEN.A
7688
DELISTED
Clearway Energy Class A
CWEN.A
– –
-627
Closed -$11K
CWST icon
7689
PUT
Casella Waste Systems
CWST
$5.73B
– –
-75
Closed -$345K
CXT icon
7690
Crane NXT
CXT
$3B
– –
-29,000
Closed -$745K
CYCN icon
7691
Cyclerion Therapeutics
CYCN
$15.7M
$0 ﹤0.01%
+8
New +$571
CYH icon
7692
Community Health Systems
CYH
$392M
– –
-5,950
Closed -$24.1K
CYRX icon
7693
CryoPort
CYRX
$808M
– –
-9,706
Closed -$170K
CZR icon
7694
Caesars Entertainment
CZR
$6.09B
– –
-23,470
Closed -$1.1M
DAL icon
7695
Delta Air Lines
DAL
$53.9B
– –
-612
Closed -$30.3K
DALN
7696
DELISTED
DallasNews
DALN
$0 ﹤0.01%
18
-173
-91% -$1.75K
DBRG icon
7697
DigitalBridge
DBRG
$2.93B
– –
-14,902
Closed -$237K
DBVT
7698
DBV Technologies
DBVT
$820M
$0 ﹤0.01%
+10
New +$897
DCI icon
7699
PUT
Donaldson
DCI
$10.6B
– –
-7
Closed -$40K
DDM icon
7700
ProShares Ultra Dow30
DDM
$526M
– –
-416
Closed -$11K
306 307
308
309 310

Similar funds

Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management Tokyo, Japan $149B AUM 24.71% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Simplex Trading's Q1 2020 Portfolio in Review

As of Q1 2020, Simplex Trading held 8,783 positions worth $56.7B, up 24% from $45.7B the previous quarter. Its ten largest holdings account for 50% of the portfolio.

Simplex Trading's Q1 2020 filing shows 1,512 new, 3,249 increased, 2,705 reduced and 1,159 closed positions. Its largest new stake was SPDR Gold Trust: 212,230 shares worth $31.4M. The largest sale was Alphabet (Google) Class C, an estimated $51.6M.

By sector, the portfolio is most concentrated in Technology at 0.49% of assets, down from 0.75% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Simplex Trading's largest Q1 2020 buy was SPDR Gold Trust: 212,230 shares worth $31.4M.
  • Simplex Trading added most to JPMorgan Chase in Q1 2020, an estimated $24.5M increase.
  • Simplex Trading's biggest Q1 2020 reduction was Amazon, cutting an estimated $47.4M.
  • Simplex Trading fully exited Alphabet (Google) Class C in Q1 2020, selling an estimated $51.6M.
  • Simplex Trading's ten largest holdings make up 50% of its $56.7B portfolio in Q1 2020.
  • Simplex Trading opened 1,512 new positions and closed 1,159 in Q1 2020.
  • Simplex Trading's portfolio value rose 24% quarter-over-quarter to $56.7B.

Based on Simplex Trading's 13F filing for Q1 2020, filed 29 Apr 2020.